Mathieu 'ZywOo' Herbaut entered the esports scene in 2014, briefly playing for dizLown before stepping away for nearly a year. His career resumed in 2016 with his joining of the team nevermind, though he did not achieve any significant success there.
In January 2017, Mathieu joined E-Corp Bumber and won his first title at the Pasino Gaming Days organized by LanEx. In March of the same year, he moved to WySix Team, with which he reached the finals of Gamers Assembly 2017, won gold at LanEx #24, and took silver at Geek Days 2017. He also secured a victory in the FACEIT Pro League - Europe in June 2017.
In September, the team gained sponsorship from against All authority. Under this new banner, they claimed gold at the Game Arena Valenciennes, bronze at the Esports World Convention 2017 at Paris Games Week, and silver at the ESL Championnat National - Winter 2017. The following year, they also won the ESL Championnat National - Summer 2018.
Since October 2018, Mathieu has played for Team Vitality. With Vitality, he has won several major titles, including the Esports Championship Series Season 7, EPICENTER 2019, BLAST Premier: Fall 2020, ESL Pro League Season 16, and BLAST Paris Major 2023. He also achieved a silver finish at the BLAST Premier: World Final 2021.